89843856 has 160 divisors (see below), whose sum is σ = 261888000. Its totient is φ = 26417664.

The previous prime is 89843821. The next prime is 89843867. The reversal of 89843856 is 65834898.

It is a junction number, because it is equal to n+sod(n) for n = 89843799 and 89843808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137225 + ... + 1137303.

It is an arithmetic number, because the mean of its divisors is an integer number (1636800).

Almost surely, 2^89843856 is an apocalyptic number.

89843856 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89843856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130944000).

89843856 is an abundant number, since it is smaller than the sum of its proper divisors (172044144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89843856 is a wasteful number, since it uses less digits than its factorization.

89843856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 89843856 is about 9478.5998966092. The cubic root of 89843856 is about 447.8811600175.

The spelling of 89843856 in words is "eighty-nine million, eight hundred forty-three thousand, eight hundred fifty-six".